The hallucinogen known as LSD is drawn below. Which of these functional groups is not present in LSD? 
Definitions:
Blood Transfusion
The process of transferring blood or blood components from one person (donor) into the bloodstream of another person (recipient).
Normal Saline
A sterile solution of sodium chloride in water, commonly used as an intravenous infusion to hydrate patients or as a cleansing agent.
Antidiuretic Hormone
A hormone produced by the pituitary gland that helps the kidneys manage the amount of water in the body, particularly by preventing excessive water loss in urine.
Sodium and Water
Critical electrolytes in the body involved in nerve and muscle functions, as well as fluid balance and blood pressure regulation.
Q1: In aldohexoses,it is the -OH group on
Q2: The name of the compound below is
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Q84: cis-2-butene and trans-2-butene are enantiomers.
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Q91: The Fischer projection shown on the right
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